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中文摘要：
针对认知无线网络分布式环境下信道信息不对称导致资源分配冲突的问题，该文提出一种基于信号博弈的分布式功率分配算法。考虑具有竞争关系的次用户在不使用控制信道的情况下，通过信号博弈策略依次选择功率分配策略，达到信道信息共享的目的，能有效避免对主用户正常传输的干扰以及竞争次用户之间功率分配冲突。该文对均衡结果进行分析，仿真结果表明该算法可以有效估计信道增益，次用户的吞吐量相对于已有研究得到明显提升。
英文摘要：
To solve the power allocation collision in decentralized cognitive radio networks with asymmetric channel state information, a new Signaling Games （SG） based power control algorithm is proposed. The competitive secondary users allocate power using signaling games schemes to share channel state information without using common control channel. It could effectively guarantee primary users transmission and avoid power allocation collision among secondary users. Moreover, the equilibrium result is analyzed and the simulation results verify the validity of channel gain estimation and improvement of throughput of secondary users.
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